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Thickness Dependence of Vortex Pinning in Epitaxial Tl-Ca-Ba-Cu-O Thin Films
Published online by Cambridge University Press: 26 February 2011
Abstract
The critical current density inferred from magnetization hysteresis for epitaxial Tl2Ca2Ba2Cu3O10 films on LaAlO3 exhibits a pronounced increase with film thickness in the high-field, high-current regime. This thickness dependence does not extend to comparatively “thick” single crystals, however, suggesting that the grain boundaries play a major role in collective vortex pinning for Tl-based superconducting thin films.
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- Copyright © Materials Research Society 1992